these 3 derivations will be built:
  /nix/store/ygjlfr5iqdw0fjcdgnhhiv87mnlmvxa2-source.drv
  /nix/store/h2asl23gyb94xcjr9003fgkg019yxr2c-qwen-code-0.26.8.drv
  /nix/store/12j8870cvcjza60wq111d5llv3k3w04f-check-qwen-code.drv